/**
 * Unit tests for keyboard handlers utilities
 * Tests global keyboard shortcuts and help system integration
 * Requirements: 9.1, 9.3, 9.4, 9.2, 9.5
 */

describe("Keyboard Handlers Utilities", () => {
	test("should have keyboardHandlers module available", () => {
		const keyboardHandlers = require("../../../src/tui/utils/keyboardHandlers.js");
		expect(typeof keyboardHandlers).toBe("object");
	});

	test("should export required functions", () => {
		const keyboardHandlers = require("../../../src/tui/utils/keyboardHandlers.js");

		expect(typeof keyboardHandlers.handleGlobalShortcuts).toBe("function");
		expect(typeof keyboardHandlers.createKeyboardHandler).toBe("function");
		expect(typeof keyboardHandlers.navigationKeys).toBe("object");
		expect(typeof keyboardHandlers.helpSystem).toBe("object");
	});

	test("should define handleGlobalShortcuts function", () => {
		const fs = require("fs");
		const path = require("path");
		const keyboardHandlersPath = path.join(
			__dirname,
			"../../../src/tui/utils/keyboardHandlers.js"
		);
		const keyboardHandlersContent = fs.readFileSync(
			keyboardHandlersPath,
			"utf8"
		);

		expect(keyboardHandlersContent).toContain("handleGlobalShortcuts");
		expect(keyboardHandlersContent).toContain("input, key, context");
		expect(keyboardHandlersContent).toContain("toggleHelp");
		expect(keyboardHandlersContent).toContain("navigateBack");
	});

	test("should handle help toggle shortcut", () => {
		const fs = require("fs");
		const path = require("path");
		const keyboardHandlersPath = path.join(
			__dirname,
			"../../../src/tui/utils/keyboardHandlers.js"
		);
		const keyboardHandlersContent = fs.readFileSync(
			keyboardHandlersPath,
			"utf8"
		);

		expect(keyboardHandlersContent).toContain('input === "h"');
		expect(keyboardHandlersContent).toContain('input === "H"');
		expect(keyboardHandlersContent).toContain("toggleHelp()");
	});

	test("should handle escape key for back navigation", () => {
		const fs = require("fs");
		const path = require("path");
		const keyboardHandlersPath = path.join(
			__dirname,
			"../../../src/tui/utils/keyboardHandlers.js"
		);
		const keyboardHandlersContent = fs.readFileSync(
			keyboardHandlersPath,
			"utf8"
		);

		expect(keyboardHandlersContent).toContain("key.escape");
		expect(keyboardHandlersContent).toContain("appState.uiState.helpVisible");
		expect(keyboardHandlersContent).toContain("context.hideHelp()");
		expect(keyboardHandlersContent).toContain("navigateBack()");
	});

	test("should handle exit shortcuts", () => {
		const fs = require("fs");
		const path = require("path");
		const keyboardHandlersPath = path.join(
			__dirname,
			"../../../src/tui/utils/keyboardHandlers.js"
		);
		const keyboardHandlersContent = fs.readFileSync(
			keyboardHandlersPath,
			"utf8"
		);

		expect(keyboardHandlersContent).toContain('key.ctrl && input === "c"');
		expect(keyboardHandlersContent).toContain('input === "q"');
		expect(keyboardHandlersContent).toContain('input === "Q"');
		expect(keyboardHandlersContent).toContain("process.exit(0)");
	});

	test("should define createKeyboardHandler function", () => {
		const fs = require("fs");
		const path = require("path");
		const keyboardHandlersPath = path.join(
			__dirname,
			"../../../src/tui/utils/keyboardHandlers.js"
		);
		const keyboardHandlersContent = fs.readFileSync(
			keyboardHandlersPath,
			"utf8"
		);

		expect(keyboardHandlersContent).toContain("createKeyboardHandler");
		expect(keyboardHandlersContent).toContain("screenHandler, context");
		expect(keyboardHandlersContent).toContain("handleGlobalShortcuts");
		expect(keyboardHandlersContent).toContain("wasHandledGlobally");
	});
});

describe("Navigation Keys Utilities", () => {
	test("should define navigationKeys object", () => {
		const keyboardHandlers = require("../../../src/tui/utils/keyboardHandlers.js");

		expect(typeof keyboardHandlers.navigationKeys.handleMenuNavigation).toBe(
			"function"
		);
		expect(typeof keyboardHandlers.navigationKeys.handleFormNavigation).toBe(
			"function"
		);
		expect(typeof keyboardHandlers.navigationKeys.handlePagination).toBe(
			"function"
		);
	});

	test("should define handleMenuNavigation function", () => {
		const fs = require("fs");
		const path = require("path");
		const keyboardHandlersPath = path.join(
			__dirname,
			"../../../src/tui/utils/keyboardHandlers.js"
		);
		const keyboardHandlersContent = fs.readFileSync(
			keyboardHandlersPath,
			"utf8"
		);

		expect(keyboardHandlersContent).toContain("handleMenuNavigation:");
		expect(keyboardHandlersContent).toContain("key.upArrow");
		expect(keyboardHandlersContent).toContain("key.downArrow");
		expect(keyboardHandlersContent).toContain("Math.max(0, currentIndex - 1)");
		expect(keyboardHandlersContent).toContain(
			"Math.min(maxIndex, currentIndex + 1)"
		);
	});

	test("should define handleFormNavigation function", () => {
		const fs = require("fs");
		const path = require("path");
		const keyboardHandlersPath = path.join(
			__dirname,
			"../../../src/tui/utils/keyboardHandlers.js"
		);
		const keyboardHandlersContent = fs.readFileSync(
			keyboardHandlersPath,
			"utf8"
		);

		expect(keyboardHandlersContent).toContain("handleFormNavigation:");
		expect(keyboardHandlersContent).toContain("key.tab");
		expect(keyboardHandlersContent).toContain(
			"(currentIndex + 1) % (maxIndex + 1)"
		);
	});

	test("should define handlePagination function", () => {
		const fs = require("fs");
		const path = require("path");
		const keyboardHandlersPath = path.join(
			__dirname,
			"../../../src/tui/utils/keyboardHandlers.js"
		);
		const keyboardHandlersContent = fs.readFileSync(
			keyboardHandlersPath,
			"utf8"
		);

		expect(keyboardHandlersContent).toContain("handlePagination:");
		expect(keyboardHandlersContent).toContain("key.pageUp");
		expect(keyboardHandlersContent).toContain("key.pageDown");
		expect(keyboardHandlersContent).toContain("Math.max(0, currentPage - 1)");
		expect(keyboardHandlersContent).toContain(
			"Math.min(totalPages - 1, currentPage + 1)"
		);
	});
});

describe("Help System Utilities", () => {
	test("should define helpSystem object", () => {
		const keyboardHandlers = require("../../../src/tui/utils/keyboardHandlers.js");

		expect(typeof keyboardHandlers.helpSystem.getScreenShortcuts).toBe(
			"function"
		);
		expect(typeof keyboardHandlers.helpSystem.getGlobalShortcuts).toBe(
			"function"
		);
	});

	test("should define screen shortcuts mapping", () => {
		const fs = require("fs");
		const path = require("path");
		const keyboardHandlersPath = path.join(
			__dirname,
			"../../../src/tui/utils/keyboardHandlers.js"
		);
		const keyboardHandlersContent = fs.readFileSync(
			keyboardHandlersPath,
			"utf8"
		);

		expect(keyboardHandlersContent).toContain("getScreenShortcuts:");
		expect(keyboardHandlersContent).toContain('"main-menu":');
		expect(keyboardHandlersContent).toContain("configuration:");
		expect(keyboardHandlersContent).toContain("operation:");
		expect(keyboardHandlersContent).toContain("scheduling:");
		expect(keyboardHandlersContent).toContain("logs:");
		expect(keyboardHandlersContent).toContain('"tag-analysis":');
	});

	test("should define common shortcuts for each screen", () => {
		const fs = require("fs");
		const path = require("path");
		const keyboardHandlersPath = path.join(
			__dirname,
			"../../../src/tui/utils/keyboardHandlers.js"
		);
		const keyboardHandlersContent = fs.readFileSync(
			keyboardHandlersPath,
			"utf8"
		);

		// Main menu shortcuts
		expect(keyboardHandlersContent).toContain(
			'"↑/↓", description: "Navigate menu"'
		);
		expect(keyboardHandlersContent).toContain(
			'"Enter", description: "Select item"'
		);

		// Configuration shortcuts
		expect(keyboardHandlersContent).toContain(
			'"Tab", description: "Next field"'
		);
		expect(keyboardHandlersContent).toContain('"Ctrl+S", description: "Save"');

		// Operation shortcuts
		expect(keyboardHandlersContent).toContain(
			'"Ctrl+C", description: "Cancel"'
		);

		// Logs shortcuts
		expect(keyboardHandlersContent).toContain('"/", description: "Search"');
		expect(keyboardHandlersContent).toContain(
			'"PgUp/PgDn", description: "Page"'
		);
	});

	test("should define global shortcuts", () => {
		const fs = require("fs");
		const path = require("path");
		const keyboardHandlersPath = path.join(
			__dirname,
			"../../../src/tui/utils/keyboardHandlers.js"
		);
		const keyboardHandlersContent = fs.readFileSync(
			keyboardHandlersPath,
			"utf8"
		);

		expect(keyboardHandlersContent).toContain("getGlobalShortcuts:");
		expect(keyboardHandlersContent).toContain(
			'"h", description: "Toggle help"'
		);
		expect(keyboardHandlersContent).toContain(
			'"Esc", description: "Back/Close"'
		);
		expect(keyboardHandlersContent).toContain('"Ctrl+C", description: "Exit"');
	});

	test("should have fallback for unknown screens", () => {
		const fs = require("fs");
		const path = require("path");
		const keyboardHandlersPath = path.join(
			__dirname,
			"../../../src/tui/utils/keyboardHandlers.js"
		);
		const keyboardHandlersContent = fs.readFileSync(
			keyboardHandlersPath,
			"utf8"
		);

		expect(keyboardHandlersContent).toContain("shortcuts[screenName] || []");
	});
});

describe("Keyboard Handlers Integration", () => {
	test("should be used by MainMenuScreen", () => {
		const fs = require("fs");
		const path = require("path");
		const mainMenuPath = path.join(
			__dirname,
			"../../../src/tui/components/screens/MainMenuScreen.jsx"
		);
		const mainMenuContent = fs.readFileSync(mainMenuPath, "utf8");

		expect(mainMenuContent).toContain(
			'require("../../utils/keyboardHandlers.js")'
		);
		expect(mainMenuContent).toContain("createKeyboardHandler");
		expect(mainMenuContent).toContain("navigationKeys");
	});

	test("should provide context to keyboard handlers", () => {
		const fs = require("fs");
		const path = require("path");
		const mainMenuPath = path.join(
			__dirname,
			"../../../src/tui/components/screens/MainMenuScreen.jsx"
		);
		const mainMenuContent = fs.readFileSync(mainMenuPath, "utf8");

		expect(mainMenuContent).toContain("appState,");
		expect(mainMenuContent).toContain("navigateTo,");
		expect(mainMenuContent).toContain("navigateBack,");
		expect(mainMenuContent).toContain("toggleHelp,");
		expect(mainMenuContent).toContain("showHelp,");
		expect(mainMenuContent).toContain("hideHelp,");
	});
});